7897100705 has 16 divisors (see below), whose sum is σ = 10233941760. Its totient is φ = 5815443648.

The previous prime is 7897100681. The next prime is 7897100719. The reversal of 7897100705 is 5070017987.

7897100705 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 7897100705 - 2²² = 7892906401 is a prime.

It is a super-2 number, since 2×7897100705² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145877 + ... + 192546.

It is an arithmetic number, because the mean of its divisors is an integer number (639621360).

Almost surely, 2^7897100705 is an apocalyptic number.

It is an amenable number.

7897100705 is a deficient number, since it is larger than the sum of its proper divisors (2336841055).

7897100705 is a wasteful number, since it uses less digits than its factorization.

7897100705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338800.

The product of its (nonzero) digits is 123480, while the sum is 44.

The square root of 7897100705 is about 88865.6328678303. The cubic root of 7897100705 is about 1991.3880289537.

The spelling of 7897100705 in words is "seven billion, eight hundred ninety-seven million, one hundred thousand, seven hundred five".